<!DOCTYPE html>
<html lang="en">
    <head>
        <title></title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link href="css/reset.css" rel="stylesheet">
    </head>

    <style>
    .triangle{
        width: 0px;
        height: 0px; 
        border-left: 15px solid #6db6ff;
        border-bottom: 38px solid transparent;
    }
    </style>
    <body>
        <div class="triangle">

        </div>
    </body>
</html>